PRODUCT  :  TURBO C                                NUMBER  :  404
  VERSION  :  1.0/1.5
       OS  :  MS-DOS
     DATE  :  January 12, 1988                         PAGE  :  1/2

    TITLE  :  BIOSCOM EXAMPLE




  The following program demonstrates the use of the Turbo C run
  time library function bioscom:


                                /* BIOSCOM.C */

  #include <bios.h>
  #include <conio.h>

  #define COM1        0
  #define COM2        1

  #define SET         0
  #define SEND        1
  #define RECEIVE     2
  #define STATUS      3

  #define ESC         '\x1B'

  #define BAUD_300    0x40
  #define BAUD_1200   0x80

  #define PARITY_NONE 0x00
  #define PARITY_ODD  0x08
  #define PARITY_EVEN 0x18

  #define BITS_7      0x02
  #define BITS_8      0x03
  #define STOP_1      0x00
  #define STOP_2      0X04

  main()
  {
      int register out, in;


      bioscom(SET, BAUD_1200 | BITS_7 | STOP_1 | PARITY_NONE,
              COM1);

      cprintf("... BIOSCOM [ESC] to exit ...\n");
















  PRODUCT  :  TURBO C                                NUMBER  :  404
  VERSION  :  1.0/1.5
       OS  :  MS-DOS
     DATE  :  January 12, 1988                         PAGE  :  2/2

    TITLE  :  BIOSCOM EXAMPLE




      while (1)
      {
       if (kbhit())
       {
           if ((in = getch())== ESC) exit(0);
           bioscom(SEND, in, COM1);
       }
       if ( (out = bioscom(RECEIVE, 0, COM1) & 0x7F) != 0)
           putch(out);
      }
  }

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  subject to the terms of the No-Nonsense License Statement that
  you received with the Borland product to which this information
  pertains.